Detecting proximity using WiFi hotspots
US9838840B1 · kind B1 · utility
10Cited by
5References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 19, 2016 |
| Grant date | Dec 5, 2017 |
| Priority date | — |
| Expiry date | Sep 19, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of includes receiving hotspot identification data from the first device, where the identification data identifies a plurality of WiFi hotspots that are in proximity to the first device; determining that the second device is associated with the first device; sending the hotspot identification data to the second device, where the first device and second device are mobile devices; receiving an indication of proximity from the second device; and notifying the first device of the indication of proximity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.